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## Homework Statement

[tex]\tan[\frac{1}{2} \arcsin(\frac{-7}{25})][/tex]

## The Attempt at a Solution

I'm not sure how to take 1/2 the arcsin, should this use the half-angle formula?

Normally I would draw a triangle using the sin value (-7/25), then find the tan value (24/25), but the 1/2 is throwing me off.

How do I start this? Is this 1/2 the sin value (-7/25)= -7/50, then solve for the tan(-7/50)?